Home / 19,395.90-26,769.83-11,437.65

Finding the Fourth Proportional to 19,395.90, 26,769.83 and 11,437.65

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Solution

The fourth proportional to 19,395.90, 26,769.83 and 11,437.65 is: 15,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.90 : 26,769.83 = 11,437.65 : x
  2. Step 2: Convert to fraction form
    19,395.90/26,769.83 = 11,437.65/x
  3. Step 3: Cross multiply
    19,395.90x = 26,769.83 × 11,437.65
  4. Step 4: Simplify right side
    19,395.90x = 306,183,888.91
  5. Step 5: Solve for x
    x = 306,183,888.91/19,395.90
  6. Step 6: Final answer
    x = 15,786.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.